X-ray or gamma ray systems or devices – Electronic circuit – Object responsive control
Patent
1982-05-18
1984-02-21
Church, Craig E.
X-ray or gamma ray systems or devices
Electronic circuit
Object responsive control
378 8, 378 99, G03B 4116
Patent
active
044334281
ABSTRACT:
An exemplary embodiment includes an x-ray image intensifier television chain, an image memory, and a subtraction device which subtracts the stored and the current video signals. A radiographic control device derives control pulses for controlling image storage from the EKG of the patient. A second image memory is connected with the output of the subtraction device. The radiographic control device is connected to both image memories and is designed in such a manner that it triggers the storage at selected different times during a heart cycle.
REFERENCES:
R. Brennacke et al. "Digital Processing of Videoangiocardiographic Image Series Using a Minicomputer," IEEE Cat. No. 76 CH1160-1C 1976, pp. 255-260.
Alexandrescu Mircea
Haendle Joerg
Church Craig E.
Siemens Aktiengesellschaft
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